The Outer Diameter Tube Cleaning Brush is designed to prepare copper tubing for sweating. The tool's depth reflects the length of a proper solder joint and ensures your tubing is thoroughly cleaned. The octagonal shape provides a firm grip and allows the tool to sit snugly in the palm of your hand. Also useful for cleaning automotive battery posts.

•Cleans pipe O.D. for a good solder joint•Fluted octagon shape provides a firm handgripand will not roll•Inserting tubing to the backstop insures correctcleaning length for a good solder joint•Each brush cleans two tube sizes